إِنَّكَ لَا تَهْدِي مَنْ أَحْبَبْتَ وَلَكِنَّ اللَّهَ يَهْدِي مَن يَشَاء وَهُوَ أَعْلَمُ بِالْمُهْتَدِينَ
It is true you (O Muhammad) will not be able to guide every one whom you love, but Allah guides those whom He will and He knows best those who receive guidance.